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Unilever HPC Patents AP With Microemulsions



Published November 22, 2005
Related Searches: personal patent Surfactant oil
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Patent No. US 6,790,435 B1: Unilever Home & Personal Care (HPC) USA, Chicago, earned a patent for a composition that contains a microemulsion, a liquid crystal or both. The liquid crystal contains an antiperspirant salt, a cosmetic oil and a combination of at least one cationic quaternary surfactant and at least one nonionic surfactant.


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